Improper Authentication Affecting OpenPrinting/cups package, versions [,2.4.13)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-OPENPRINTINGCUPS-12705377
- published16 Sept 2025
- disclosed11 Sept 2025
- creditHristo Venev
Introduced: 11 Sep 2025
CVE-2025-58060 (opens in a new tab)How to fix?
Upgrade OpenPrinting/cups to version 2.4.13 or higher.
Overview
Affected versions of this package are vulnerable to Improper Authentication via the AuthType configuration when it is set to any value other than Basic and the request contains an Authorization: Basic ... header. An attacker can gain unauthorized access by sending a specially crafted request that bypasses password verification.
PoC
Configure CUPS with
DefaultAuthType Negotiate.Start CUPS
Send a request to CUPS with
Authorization: Basic $(echo -n admin:x | base64), where admin is an administrator username andxis literally the stringx.